m41t64 STMicroelectronics, m41t64 Datasheet - Page 12

• Manufacturer Part Number: m41t64
• Description: Serial Access Real-time Clock With Alarms
• Manufacturer: STMicroelectronics

M41T62/63/64/65
WRITE Mode
In this mode the master transmitter transmits to
the M41T6x slave receiver. Bus protocol is shown
in
dition and slave address, a logic '0' (R/W=0) is
placed on the bus and indicates to the addressed
device that word address “An” will follow and is to
be written to the on-chip address pointer. The data
word to be written to the memory is strobed in next
Figure 21. WRITE Mode Sequence
12/33
Figure 21., page
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
12. Following the START con-
S
ADDRESS
SLAVE
ADDRESS (An)
WORD
and the internal address pointer is incremented to
the next address location on the reception of an
acknowledge clock. The M41T6x slave receiver
will send an acknowledge clock to the master
transmitter after it has received the slave address
see
ceived the word address and each data byte.
DATA n
Figure 18., page 10
DATA n+1
and again after it has re-
DATA n+X
AI00591
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